Annabergite and Albite Physical Properties

Annabergite

Albite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.07

2.60-2.65

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

Perfect on {010}, indistinct on {100} and {102}

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

6-6.5

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Annabergite and Albite Chemical Formula

While comparing Annabergite and Albite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Annabergite and Albite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Annabergite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Albite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.60-2.65 whereas that of Albite is 2.60-2.65.